@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
    --primary: #1E293B;
    --bg: #FFFFFF;
    --accent: #3B82F6;
    --text: #334155;
    --text-light: #64748B;
    --border: #E2E8F0;
    --code-bg: #F8FAFC;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.6;
    color: var(--text);
    background-color: var(--bg);
}

/* Layout */
.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 2rem;
}

header {
    border-bottom: 1px solid var(--border);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(8px);
    z-index: 100;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-weight: 700;
    color: var(--primary);
    text-decoration: none;
    font-size: 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo::before {
    content: '';
    display: inline-block;
    width: 12px;
    height: 12px;
    background-color: var(--accent);
    border-radius: 50%;
}

.nav-links {
    display: flex;
    gap: 1.5rem;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-light);
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.2s;
}

.nav-links a:hover {
    color: var(--accent);
}

.btn-source {
    background-color: var(--primary);
    color: white !important;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    font-size: 0.85rem !important;
}

.btn-source:hover {
    background-color: #0F172A;
}

/* Main Content */
main {
    padding: 4rem 0;
    min-height: calc(100vh - 200px);
}

h1, h2, h3, h4 {
    color: var(--primary);
    margin-bottom: 1.5rem;
    font-weight: 700;
}

h1 { font-size: 2.5rem; letter-spacing: -0.025em; }
h2 { font-size: 1.75rem; margin-top: 3rem; border-bottom: 1px solid var(--border); padding-bottom: 0.5rem; }

p { margin-bottom: 1.25rem; }

/* Technical Elements */
.tech-id {
    font-family: 'JetBrains Mono', monospace;
    background-color: var(--code-bg);
    padding: 0.2rem 0.4rem;
    border-radius: 4px;
    font-size: 0.9em;
    color: var(--accent);
    border: 1px solid var(--border);
}

.tech-table {
    width: 100%;
    border-collapse: collapse;
    margin: 2rem 0;
    font-size: 0.9rem;
}

.tech-table th, .tech-table td {
    text-align: left;
    padding: 1rem;
    border-bottom: 1px solid var(--border);
}

.tech-table th {
    background-color: var(--code-bg);
    color: var(--primary);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
}

.status-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    background-color: var(--accent);
    border-radius: 50%;
    margin-right: 0.5rem;
}

/* Forms */
.form-group {
    margin-bottom: 1.5rem;
}

label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    font-size: 0.9rem;
}

input, textarea, select {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-family: inherit;
    font-size: 1rem;
}

input:focus, textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

button.submit-btn {
    background-color: var(--accent);
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    transition: opacity 0.2s;
}

button.submit-btn:hover {
    opacity: 0.9;
}

/* Footer */
footer {
    border-top: 1px solid var(--border);
    padding: 3rem 0;
    color: var(--text-light);
    font-size: 0.85rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.footer-bottom {
    margin-top: 3rem;
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
}

/* Grid for Contact */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.contact-card {
    border: 1px solid var(--border);
    padding: 1.5rem;
    border-radius: 8px;
    transition: border-color 0.2s;
}

.contact-card:hover {
    border-color: var(--accent);
}

.contact-card h3 {
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.contact-card p {
    margin-bottom: 0;
    font-family: 'JetBrains Mono', monospace;
    color: var(--accent);
}

/* Responsive */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 1rem;
    }
    .nav-links {
        flex-wrap: wrap;
        justify-content: center;
    }
    h1 { font-size: 2rem; }
}